package com.shi.util;

import java.io.UnsupportedEncodingException;

public class StringUtil {
	public static boolean isEmpty(String str) {
		if(str == null || "".equals(str)){
			return true;
		}else{
			return false;
		}
	}
	public static String ISOtoUTF(String str){
		try {
			if(isNotEmpty(str)){
				return new String(str.getBytes("ISO8859-1"),"UTF-8");
			}
			return "";
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		}
		return str;
	}
	public static boolean isNotEmpty(String str){
		return !isEmpty(str);
	}
}
